Platform support



FIG. 1 is a side elevational view of a platform support showing my newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an enlarged sectional view taken along the line 5--5 of FIG.4; and

FIG. 6 is an enlarged sectional view taken along the line 6--6 of FIG.4.

The ornamental design for a platform support, substantially as shown anddescribed.